/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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 */
package org.apache.flink.table.planner.plan.batch.sql.join

import org.junit.jupiter.api.Test

/** Test SEMI/ANTI Join, the join operators are chose based on cost. */
class SemiAntiJoinTest extends SemiAntiJoinTestBase {

  @Test
  def testNotSimplifyJoinConditionWithSameDigest(): Unit = {
    // The new condition generated by the rule is digest-equaling
    // (with normalization) to the old one
    val sqlQuery =
      """
        |SELECT a
        |FROM l
        |WHERE c NOT IN (
        |    SELECT f FROM r WHERE f = c)
        |""".stripMargin
    util.verifyRelPlan(sqlQuery)
  }
}
